Terms of Service

1. Acceptance of Terms

By accessing and using Lost in Education, you agree to be bound by these Terms of Service and all applicable laws and regulations. If you do not agree with any of these terms, you are prohibited from using or accessing this site.

2. Description of Service

Lost in Education provides:

• LeetCode categorized questions and solutions
• System design examples and case studies
• JavaScript, Angular, and React interview preparation materials
• Learning progress tracking and personalized recommendations

3. User Accounts

To access certain features of the service, you must:

• Be at least 13 years old
• Register for an account using valid information
• Maintain the security of your account credentials
• Notify us immediately of any unauthorized access
• Provide accurate and complete information
• Update your information as needed

4. Third-Party Authentication

We offer authentication through third-party providers:

• Google OAuth
• GitHub OAuth

By using these services, you agree to their respective terms of service and privacy policies. We are not responsible for the privacy practices or content of these third-party services.

5. Subscription and Payments

Our subscription terms include:

• Monthly ($19.99/month) or yearly ($99.99/year) billing options
• Automatic renewal unless cancelled
• Refund policy for unused portion of subscription
• Price changes with 30-day notice
• Payment processing through secure third-party providers

6. User Conduct

You agree not to:

• Share account credentials
• Use automated systems or bots
• Attempt to reverse engineer the service
• Share or distribute premium content
• Engage in any activity that disrupts the service
• Violate any applicable laws or regulations
• Impersonate others or provide false information

7. Intellectual Property

All content on Lost in Education, including but not limited to:

• Code examples and solutions
• System design materials
• Interview questions and answers
• User interface and design
• Logos and branding

is protected by copyright and other intellectual property laws. You may not copy, modify, distribute, or create derivative works without permission.

8. Service Availability

We strive to maintain high availability of our service but do not guarantee uninterrupted access. We reserve the right to modify, suspend, or discontinue any part of the service at any time.

9. Limitation of Liability

Lost in Education is provided "as is" without warranties of any kind. We are not liable for any damages arising from:

• Use or inability to use the service
• Unauthorized access to your account
• Service interruptions or errors
• Third-party content or services

10. Termination

We reserve the right to terminate or suspend your account and access to the service at our sole discretion, without notice, for conduct that we believe violates these Terms of Service or is harmful to other users, us, or third parties, or for any other reason.

11. Dispute Resolution

Any dispute arising from these terms shall be resolved through binding arbitration in accordance with the rules of the American Arbitration Association. The arbitration shall take place in New York, NY, and the decision shall be final and binding.

12. Governing Law

These terms shall be governed by and construed in accordance with the laws of the State of New York, without regard to its conflict of law provisions.

13. Changes to Terms

We reserve the right to modify these terms at any time. We will notify users of any material changes via email or through the service. Continued use of the service after such changes constitutes acceptance of the new terms.

14. Contact Information

For questions about these Terms of Service, please contact us at:

zhicheng@lostineducation.com